Offex Navy Blue Patterned Fabric Ergonomic Drafting Stool (Adjustable Range 26''-30.5''H or 22.5''-27''H) Overall Dimension: 20''W x 20''D x 38.25'' - 42.75''H. Shipping Weight: 24 Lbs. Seat Size: 18''W X 16.5''D. Back Size: 16''W X 16.5''H. Seat Height: 26 - 30.5''H. Assembly Required: Yes. Color: Blue Patterned. Finish: Black Nylon. Upholstery: Blue Fabric. Material: Fabric, Foam, Nylon, Steel, Wood. Made in China.